sdk/go/src/arvados.org/keepclient/keepclient_test.go

   1 package keepclient
   2
   3 import (
   4         "arvados.org/streamer"
   5         "crypto/md5"
   6         "flag"
   7         "fmt"
   8         . "gopkg.in/check.v1"
   9         "io"
  10         "io/ioutil"
  11         "log"
  12         "net"
  13         "net/http"
  14         "os"
  15         "os/exec"
  16         "sort"
  17         "strings"
  18         "testing"
  19 )
  20
  21 // Gocheck boilerplate
  22 func Test(t *testing.T) {
  23         TestingT(t)
  24 }
  25
  26 // Gocheck boilerplate
  27 var _ = Suite(&ServerRequiredSuite{})
  28 var _ = Suite(&StandaloneSuite{})
  29
  30 var no_server = flag.Bool("no-server", false, "Skip 'ServerRequireSuite'")
  31
  32 // Tests that require the Keep server running
  33 type ServerRequiredSuite struct{}
  34
  35 // Standalone tests
  36 type StandaloneSuite struct{}
  37
  38 func pythonDir() string {
  39         gopath := os.Getenv("GOPATH")
  40         return fmt.Sprintf("%s/../python", strings.Split(gopath, ":")[0])
  41 }
  42
  43 func (s *ServerRequiredSuite) SetUpSuite(c *C) {
  44         if *no_server {
  45                 c.Skip("Skipping tests that require server")
  46         } else {
  47                 os.Chdir(pythonDir())
  48                 exec.Command("python", "run_test_server.py", "start").Run()
  49                 exec.Command("python", "run_test_server.py", "start_keep").Run()
  50         }
  51 }
  52
  53 func (s *ServerRequiredSuite) TearDownSuite(c *C) {
  54         os.Chdir(pythonDir())
  55         exec.Command("python", "run_test_server.py", "stop_keep").Run()
  56         exec.Command("python", "run_test_server.py", "stop").Run()
  57 }
  58
  59 func (s *ServerRequiredSuite) TestMakeKeepClient(c *C) {
  60         os.Setenv("ARVADOS_API_HOST", "localhost:3001")
  61         os.Setenv("ARVADOS_API_TOKEN", "4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h")
  62         os.Setenv("ARVADOS_API_HOST_INSECURE", "")
  63
  64         kc, err := MakeKeepClient()
  65         c.Check(kc.ApiServer, Equals, "localhost:3001")
  66         c.Check(kc.ApiToken, Equals, "4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h")
  67         c.Check(kc.ApiInsecure, Equals, false)
  68
  69         os.Setenv("ARVADOS_API_HOST_INSECURE", "true")
  70
  71         kc, err = MakeKeepClient()
  72         c.Check(kc.ApiServer, Equals, "localhost:3001")
  73         c.Check(kc.ApiToken, Equals, "4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h")
  74         c.Check(kc.ApiInsecure, Equals, true)
  75         c.Check(kc.Client.Transport.(*http.Transport).TLSClientConfig.InsecureSkipVerify, Equals, true)
  76
  77         c.Assert(err, Equals, nil)
  78         c.Check(len(kc.Service_roots), Equals, 2)
  79         c.Check(kc.Service_roots[0], Equals, "http://localhost:25107")
  80         c.Check(kc.Service_roots[1], Equals, "http://localhost:25108")
  81 }
  82
  83 func (s *StandaloneSuite) TestShuffleServiceRoots(c *C) {
  84         kc := KeepClient{Service_roots: []string{"http://localhost:25107", "http://localhost:25108", "http://localhost:25109", "http://localhost:25110", "http://localhost:25111", "http://localhost:25112", "http://localhost:25113", "http://localhost:25114", "http://localhost:25115", "http://localhost:25116", "http://localhost:25117", "http://localhost:25118", "http://localhost:25119", "http://localhost:25120", "http://localhost:25121", "http://localhost:25122", "http://localhost:25123"}}
  85
  86         // "foo" acbd18db4cc2f85cedef654fccc4a4d8
  87         foo_shuffle := []string{"http://localhost:25116", "http://localhost:25120", "http://localhost:25119", "http://localhost:25122", "http://localhost:25108", "http://localhost:25114", "http://localhost:25112", "http://localhost:25107", "http://localhost:25118", "http://localhost:25111", "http://localhost:25113", "http://localhost:25121", "http://localhost:25110", "http://localhost:25117", "http://localhost:25109", "http://localhost:25115", "http://localhost:25123"}
  88         c.Check(kc.shuffledServiceRoots("acbd18db4cc2f85cedef654fccc4a4d8"), DeepEquals, foo_shuffle)
  89
  90         // "bar" 37b51d194a7513e45b56f6524f2d51f2
  91         bar_shuffle := []string{"http://localhost:25108", "http://localhost:25112", "http://localhost:25119", "http://localhost:25107", "http://localhost:25110", "http://localhost:25116", "http://localhost:25122", "http://localhost:25120", "http://localhost:25121", "http://localhost:25117", "http://localhost:25111", "http://localhost:25123", "http://localhost:25118", "http://localhost:25113", "http://localhost:25114", "http://localhost:25115", "http://localhost:25109"}
  92         c.Check(kc.shuffledServiceRoots("37b51d194a7513e45b56f6524f2d51f2"), DeepEquals, bar_shuffle)
  93 }
  94
  95 type StubPutHandler struct {
  96         c              *C
  97         expectPath     string
  98         expectApiToken string
  99         expectBody     string
 100         handled        chan string
 101 }
 102
 103 func (this StubPutHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
 104         this.c.Check(req.URL.Path, Equals, "/"+this.expectPath)
 105         this.c.Check(req.Header.Get("Authorization"), Equals, fmt.Sprintf("OAuth2 %s", this.expectApiToken))
 106         body, err := ioutil.ReadAll(req.Body)
 107         this.c.Check(err, Equals, nil)
 108         this.c.Check(body, DeepEquals, []byte(this.expectBody))
 109         resp.WriteHeader(200)
 110         this.handled <- fmt.Sprintf("http://%s", req.Host)
 111 }
 112
 113 func RunBogusKeepServer(st http.Handler, port int) (listener net.Listener, url string) {
 114         var err error
 115         listener, err = net.ListenTCP("tcp", &net.TCPAddr{Port: port})
 116         if err != nil {
 117                 panic(fmt.Sprintf("Could not listen on tcp port %v", port))
 118         }
 119
 120         url = fmt.Sprintf("http://localhost:%d", port)
 121
 122         go http.Serve(listener, st)
 123         return listener, url
 124 }
 125
 126 func UploadToStubHelper(c *C, st http.Handler, f func(KeepClient, string,
 127         io.ReadCloser, io.WriteCloser, chan uploadStatus)) {
 128
 129         listener, url := RunBogusKeepServer(st, 2990)
 130         defer listener.Close()
 131
 132         kc, _ := MakeKeepClient()
 133         kc.ApiToken = "abc123"
 134
 135         reader, writer := io.Pipe()
 136         upload_status := make(chan uploadStatus)
 137
 138         f(kc, url, reader, writer, upload_status)
 139 }
 140
 141 func (s *StandaloneSuite) TestUploadToStubKeepServer(c *C) {
 142         log.Printf("TestUploadToStubKeepServer")
 143
 144         st := StubPutHandler{
 145                 c,
 146                 "acbd18db4cc2f85cedef654fccc4a4d8",
 147                 "abc123",
 148                 "foo",
 149                 make(chan string)}
 150
 151         UploadToStubHelper(c, st,
 152                 func(kc KeepClient, url string, reader io.ReadCloser,
 153                         writer io.WriteCloser, upload_status chan uploadStatus) {
 154
 155                         go kc.uploadToKeepServer(url, st.expectPath, reader, upload_status, int64(len("foo")))
 156
 157                         writer.Write([]byte("foo"))
 158                         writer.Close()
 159
 160                         <-st.handled
 161                         status := <-upload_status
 162                         c.Check(status, DeepEquals, uploadStatus{nil, fmt.Sprintf("%s/%s", url, st.expectPath), 200, 1})
 163                 })
 164
 165         log.Printf("TestUploadToStubKeepServer done")
 166 }
 167
 168 func (s *StandaloneSuite) TestUploadToStubKeepServerBufferReader(c *C) {
 169         log.Printf("TestUploadToStubKeepServerBufferReader")
 170
 171         st := StubPutHandler{
 172                 c,
 173                 "acbd18db4cc2f85cedef654fccc4a4d8",
 174                 "abc123",
 175                 "foo",
 176                 make(chan string)}
 177
 178         UploadToStubHelper(c, st,
 179                 func(kc KeepClient, url string, reader io.ReadCloser,
 180                         writer io.WriteCloser, upload_status chan uploadStatus) {
 181
 182                         tr := streamer.AsyncStreamFromReader(512, reader)
 183                         defer tr.Close()
 184
 185                         br1 := tr.MakeStreamReader()
 186
 187                         go kc.uploadToKeepServer(url, st.expectPath, br1, upload_status, 3)
 188
 189                         writer.Write([]byte("foo"))
 190                         writer.Close()
 191
 192                         <-st.handled
 193
 194                         status := <-upload_status
 195                         c.Check(status, DeepEquals, uploadStatus{nil, fmt.Sprintf("%s/%s", url, st.expectPath), 200, 1})
 196                 })
 197
 198         log.Printf("TestUploadToStubKeepServerBufferReader done")
 199 }
 200
 201 type FailHandler struct {
 202         handled chan string
 203 }
 204
 205 func (this FailHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
 206         resp.WriteHeader(500)
 207         this.handled <- fmt.Sprintf("http://%s", req.Host)
 208 }
 209
 210 func (s *StandaloneSuite) TestFailedUploadToStubKeepServer(c *C) {
 211         log.Printf("TestFailedUploadToStubKeepServer")
 212
 213         st := FailHandler{
 214                 make(chan string)}
 215
 216         hash := "acbd18db4cc2f85cedef654fccc4a4d8"
 217
 218         UploadToStubHelper(c, st,
 219                 func(kc KeepClient, url string, reader io.ReadCloser,
 220                         writer io.WriteCloser, upload_status chan uploadStatus) {
 221
 222                         go kc.uploadToKeepServer(url, hash, reader, upload_status, 3)
 223
 224                         writer.Write([]byte("foo"))
 225                         writer.Close()
 226
 227                         <-st.handled
 228
 229                         status := <-upload_status
 230                         c.Check(status.url, Equals, fmt.Sprintf("%s/%s", url, hash))
 231                         c.Check(status.statusCode, Equals, 500)
 232                 })
 233         log.Printf("TestFailedUploadToStubKeepServer done")
 234 }
 235
 236 type KeepServer struct {
 237         listener net.Listener
 238         url      string
 239 }
 240
 241 func RunSomeFakeKeepServers(st http.Handler, n int, port int) (ks []KeepServer) {
 242         ks = make([]KeepServer, n)
 243
 244         for i := 0; i < n; i += 1 {
 245                 boguslistener, bogusurl := RunBogusKeepServer(st, port+i)
 246                 ks[i] = KeepServer{boguslistener, bogusurl}
 247         }
 248
 249         return ks
 250 }
 251
 252 func (s *StandaloneSuite) TestPutB(c *C) {
 253         log.Printf("TestPutB")
 254
 255         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 256
 257         st := StubPutHandler{
 258                 c,
 259                 hash,
 260                 "abc123",
 261                 "foo",
 262                 make(chan string, 2)}
 263
 264         kc, _ := MakeKeepClient()
 265
 266         kc.Want_replicas = 2
 267         kc.ApiToken = "abc123"
 268         kc.Service_roots = make([]string, 5)
 269
 270         ks := RunSomeFakeKeepServers(st, 5, 2990)
 271
 272         for i := 0; i < len(ks); i += 1 {
 273                 kc.Service_roots[i] = ks[i].url
 274                 defer ks[i].listener.Close()
 275         }
 276
 277         sort.Strings(kc.Service_roots)
 278
 279         kc.PutB([]byte("foo"))
 280
 281         shuff := kc.shuffledServiceRoots(fmt.Sprintf("%x", md5.Sum([]byte("foo"))))
 282
 283         s1 := <-st.handled
 284         s2 := <-st.handled
 285         c.Check((s1 == shuff[0] && s2 == shuff[1]) ||
 286                 (s1 == shuff[1] && s2 == shuff[0]),
 287                 Equals,
 288                 true)
 289
 290         log.Printf("TestPutB done")
 291 }
 292
 293 func (s *StandaloneSuite) TestPutHR(c *C) {
 294         log.Printf("TestPutHR")
 295
 296         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 297
 298         st := StubPutHandler{
 299                 c,
 300                 hash,
 301                 "abc123",
 302                 "foo",
 303                 make(chan string, 2)}
 304
 305         kc, _ := MakeKeepClient()
 306
 307         kc.Want_replicas = 2
 308         kc.ApiToken = "abc123"
 309         kc.Service_roots = make([]string, 5)
 310
 311         ks := RunSomeFakeKeepServers(st, 5, 2990)
 312
 313         for i := 0; i < len(ks); i += 1 {
 314                 kc.Service_roots[i] = ks[i].url
 315                 defer ks[i].listener.Close()
 316         }
 317
 318         sort.Strings(kc.Service_roots)
 319
 320         reader, writer := io.Pipe()
 321
 322         go func() {
 323                 writer.Write([]byte("foo"))
 324                 writer.Close()
 325         }()
 326
 327         kc.PutHR(hash, reader, 3)
 328
 329         shuff := kc.shuffledServiceRoots(hash)
 330         log.Print(shuff)
 331
 332         s1 := <-st.handled
 333         s2 := <-st.handled
 334
 335         c.Check((s1 == shuff[0] && s2 == shuff[1]) ||
 336                 (s1 == shuff[1] && s2 == shuff[0]),
 337                 Equals,
 338                 true)
 339
 340         log.Printf("TestPutHR done")
 341 }
 342
 343 func (s *StandaloneSuite) TestPutWithFail(c *C) {
 344         log.Printf("TestPutWithFail")
 345
 346         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 347
 348         st := StubPutHandler{
 349                 c,
 350                 hash,
 351                 "abc123",
 352                 "foo",
 353                 make(chan string, 2)}
 354
 355         fh := FailHandler{
 356                 make(chan string, 1)}
 357
 358         kc, _ := MakeKeepClient()
 359
 360         kc.Want_replicas = 2
 361         kc.ApiToken = "abc123"
 362         kc.Service_roots = make([]string, 5)
 363
 364         ks1 := RunSomeFakeKeepServers(st, 4, 2990)
 365         ks2 := RunSomeFakeKeepServers(fh, 1, 2995)
 366
 367         for i, k := range ks1 {
 368                 kc.Service_roots[i] = k.url
 369                 defer k.listener.Close()
 370         }
 371         for i, k := range ks2 {
 372                 kc.Service_roots[len(ks1)+i] = k.url
 373                 defer k.listener.Close()
 374         }
 375
 376         sort.Strings(kc.Service_roots)
 377
 378         shuff := kc.shuffledServiceRoots(fmt.Sprintf("%x", md5.Sum([]byte("foo"))))
 379
 380         phash, replicas, err := kc.PutB([]byte("foo"))
 381
 382         <-fh.handled
 383
 384         c.Check(err, Equals, nil)
 385         c.Check(phash, Equals, hash)
 386         c.Check(replicas, Equals, 2)
 387         c.Check(<-st.handled, Equals, shuff[1])
 388         c.Check(<-st.handled, Equals, shuff[2])
 389 }
 390
 391 func (s *StandaloneSuite) TestPutWithTooManyFail(c *C) {
 392         log.Printf("TestPutWithTooManyFail")
 393
 394         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 395
 396         st := StubPutHandler{
 397                 c,
 398                 hash,
 399                 "abc123",
 400                 "foo",
 401                 make(chan string, 1)}
 402
 403         fh := FailHandler{
 404                 make(chan string, 4)}
 405
 406         kc, _ := MakeKeepClient()
 407
 408         kc.Want_replicas = 2
 409         kc.ApiToken = "abc123"
 410         kc.Service_roots = make([]string, 5)
 411
 412         ks1 := RunSomeFakeKeepServers(st, 1, 2990)
 413         ks2 := RunSomeFakeKeepServers(fh, 4, 2991)
 414
 415         for i, k := range ks1 {
 416                 kc.Service_roots[i] = k.url
 417                 defer k.listener.Close()
 418         }
 419         for i, k := range ks2 {
 420                 kc.Service_roots[len(ks1)+i] = k.url
 421                 defer k.listener.Close()
 422         }
 423
 424         sort.Strings(kc.Service_roots)
 425
 426         shuff := kc.shuffledServiceRoots(fmt.Sprintf("%x", md5.Sum([]byte("foo"))))
 427
 428         _, replicas, err := kc.PutB([]byte("foo"))
 429
 430         c.Check(err, Equals, InsufficientReplicasError)
 431         c.Check(replicas, Equals, 1)
 432         c.Check(<-st.handled, Equals, shuff[1])
 433
 434         log.Printf("TestPutWithTooManyFail done")
 435 }
 436
 437 type StubGetHandler struct {
 438         c              *C
 439         expectPath     string
 440         expectApiToken string
 441         returnBody     []byte
 442 }
 443
 444 func (this StubGetHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
 445         this.c.Check(req.URL.Path, Equals, "/"+this.expectPath)
 446         this.c.Check(req.Header.Get("Authorization"), Equals, fmt.Sprintf("OAuth2 %s", this.expectApiToken))
 447         resp.Header().Set("Content-Length", fmt.Sprintf("%d", len(this.returnBody)))
 448         resp.Write(this.returnBody)
 449 }
 450
 451 func (s *StandaloneSuite) TestGet(c *C) {
 452         log.Printf("TestGet")
 453
 454         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 455
 456         st := StubGetHandler{
 457                 c,
 458                 hash,
 459                 "abc123",
 460                 []byte("foo")}
 461
 462         listener, url := RunBogusKeepServer(st, 2990)
 463         defer listener.Close()
 464
 465         kc, _ := MakeKeepClient()
 466         kc.ApiToken = "abc123"
 467         kc.Service_roots = []string{url}
 468
 469         r, n, url2, err := kc.Get(hash)
 470         defer r.Close()
 471         c.Check(err, Equals, nil)
 472         c.Check(n, Equals, int64(3))
 473         c.Check(url2, Equals, fmt.Sprintf("%s/%s", url, hash))
 474
 475         content, err2 := ioutil.ReadAll(r)
 476         c.Check(err2, Equals, nil)
 477         c.Check(content, DeepEquals, []byte("foo"))
 478
 479         log.Printf("TestGet done")
 480 }
 481
 482 func (s *StandaloneSuite) TestGetFail(c *C) {
 483         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 484
 485         st := FailHandler{make(chan string, 1)}
 486
 487         listener, url := RunBogusKeepServer(st, 2990)
 488         defer listener.Close()
 489
 490         kc, _ := MakeKeepClient()
 491         kc.ApiToken = "abc123"
 492         kc.Service_roots = []string{url}
 493
 494         r, n, url2, err := kc.Get(hash)
 495         c.Check(err, Equals, BlockNotFound)
 496         c.Check(n, Equals, int64(0))
 497         c.Check(url2, Equals, "")
 498         c.Check(r, Equals, nil)
 499 }
 500
 501 type BarHandler struct {
 502         handled chan string
 503 }
 504
 505 func (this BarHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
 506         resp.Write([]byte("bar"))
 507         this.handled <- fmt.Sprintf("http://%s", req.Host)
 508 }
 509
 510 func (s *StandaloneSuite) TestChecksum(c *C) {
 511         foohash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 512         barhash := fmt.Sprintf("%x", md5.Sum([]byte("bar")))
 513
 514         st := BarHandler{make(chan string, 1)}
 515
 516         listener, url := RunBogusKeepServer(st, 2990)
 517         defer listener.Close()
 518
 519         kc, _ := MakeKeepClient()
 520         kc.ApiToken = "abc123"
 521         kc.Service_roots = []string{url}
 522
 523         r, n, _, err := kc.Get(barhash)
 524         _, err = ioutil.ReadAll(r)
 525         c.Check(n, Equals, int64(3))
 526         c.Check(err, Equals, nil)
 527
 528         <-st.handled
 529
 530         r, n, _, err = kc.Get(foohash)
 531         _, err = ioutil.ReadAll(r)
 532         c.Check(n, Equals, int64(3))
 533         c.Check(err, Equals, BadChecksum)
 534
 535         <-st.handled
 536 }
 537
 538 func (s *StandaloneSuite) TestGetWithFailures(c *C) {
 539
 540         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 541
 542         fh := FailHandler{
 543                 make(chan string, 1)}
 544
 545         st := StubGetHandler{
 546                 c,
 547                 hash,
 548                 "abc123",
 549                 []byte("foo")}
 550
 551         kc, _ := MakeKeepClient()
 552         kc.ApiToken = "abc123"
 553         kc.Service_roots = make([]string, 5)
 554
 555         ks1 := RunSomeFakeKeepServers(st, 1, 2990)
 556         ks2 := RunSomeFakeKeepServers(fh, 4, 2991)
 557
 558         for i, k := range ks1 {
 559                 kc.Service_roots[i] = k.url
 560                 defer k.listener.Close()
 561         }
 562         for i, k := range ks2 {
 563                 kc.Service_roots[len(ks1)+i] = k.url
 564                 defer k.listener.Close()
 565         }
 566
 567         sort.Strings(kc.Service_roots)
 568
 569         r, n, url2, err := kc.Get(hash)
 570         <-fh.handled
 571         c.Check(err, Equals, nil)
 572         c.Check(n, Equals, int64(3))
 573         c.Check(url2, Equals, fmt.Sprintf("%s/%s", ks1[0].url, hash))
 574
 575         content, err2 := ioutil.ReadAll(r)
 576         c.Check(err2, Equals, nil)
 577         c.Check(content, DeepEquals, []byte("foo"))
 578 }
 579
 580 func (s *ServerRequiredSuite) TestPutGetHead(c *C) {
 581         os.Setenv("ARVADOS_API_HOST", "localhost:3001")
 582         os.Setenv("ARVADOS_API_TOKEN", "4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h")
 583         os.Setenv("ARVADOS_API_HOST_INSECURE", "true")
 584
 585         kc, err := MakeKeepClient()
 586         c.Assert(err, Equals, nil)
 587
 588         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 589
 590         {
 591                 n, _, err := kc.Ask(hash)
 592                 c.Check(err, Equals, BlockNotFound)
 593                 c.Check(n, Equals, int64(0))
 594         }
 595         {
 596                 hash2, replicas, err := kc.PutB([]byte("foo"))
 597                 c.Check(hash2, Equals, hash)
 598                 c.Check(replicas, Equals, 2)
 599                 c.Check(err, Equals, nil)
 600         }
 601         {
 602                 r, n, url2, err := kc.Get(hash)
 603                 c.Check(err, Equals, nil)
 604                 c.Check(n, Equals, int64(3))
 605                 c.Check(url2, Equals, fmt.Sprintf("http://localhost:25108/%s", hash))
 606
 607                 content, err2 := ioutil.ReadAll(r)
 608                 c.Check(err2, Equals, nil)
 609                 c.Check(content, DeepEquals, []byte("foo"))
 610         }
 611         {
 612                 n, url2, err := kc.Ask(hash)
 613                 c.Check(err, Equals, nil)
 614                 c.Check(n, Equals, int64(3))
 615                 c.Check(url2, Equals, fmt.Sprintf("http://localhost:25108/%s", hash))
 616         }
 617 }
 618
 619 type StubProxyHandler struct {
 620         handled chan string
 621 }
 622
 623 func (this StubProxyHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
 624         resp.Header().Set("X-Keep-Replicas-Stored", "2")
 625         this.handled <- fmt.Sprintf("http://%s", req.Host)
 626 }
 627
 628 func (s *StandaloneSuite) TestPutProxy(c *C) {
 629         log.Printf("TestPutProxy")
 630
 631         st := StubProxyHandler{make(chan string, 1)}
 632
 633         kc, _ := MakeKeepClient()
 634
 635         kc.Want_replicas = 2
 636         kc.Using_proxy = true
 637         kc.ApiToken = "abc123"
 638         kc.Service_roots = make([]string, 1)
 639
 640         ks1 := RunSomeFakeKeepServers(st, 1, 2990)
 641
 642         for i, k := range ks1 {
 643                 kc.Service_roots[i] = k.url
 644                 defer k.listener.Close()
 645         }
 646
 647         _, replicas, err := kc.PutB([]byte("foo"))
 648         <-st.handled
 649
 650         c.Check(err, Equals, nil)
 651         c.Check(replicas, Equals, 2)
 652
 653         log.Printf("TestPutProxy done")
 654 }
 655
 656 func (s *StandaloneSuite) TestPutProxyInsufficientReplicas(c *C) {
 657         log.Printf("TestPutProxy")
 658
 659         st := StubProxyHandler{make(chan string, 1)}
 660
 661         kc, _ := MakeKeepClient()
 662
 663         kc.Want_replicas = 3
 664         kc.Using_proxy = true
 665         kc.ApiToken = "abc123"
 666         kc.Service_roots = make([]string, 1)
 667
 668         ks1 := RunSomeFakeKeepServers(st, 1, 2990)
 669
 670         for i, k := range ks1 {
 671                 kc.Service_roots[i] = k.url
 672                 defer k.listener.Close()
 673         }
 674
 675         _, replicas, err := kc.PutB([]byte("foo"))
 676         <-st.handled
 677
 678         c.Check(err, Equals, InsufficientReplicasError)
 679         c.Check(replicas, Equals, 2)
 680
 681         log.Printf("TestPutProxy done")
 682 }